Inside Sentience

Scientists have long referred to the Goldilocks zone – the region around a star where conditions are not too hot and not too cold but “just right” for life. Joined by a live audience at the Cheltenham Science Festival in the UK, Tom Whipple asks what are the true limitations of a ...  Show more

Secretary of Defence Pete Hegseth has announced that the US military will be screening military personnel aged 30 and older for testosterone deficiency. Those found with low testosterone levels will be offered voluntary hormone replacement therapy. The secretary says this is to e ...  Show more

Host Rachel Feltman talks with Deni Ellis Béchard, Scientific American’s senior tech reporter, about his recent exchange with Claude 4, an artificial intelligence chatbot that seemed to suggest it might be conscious. They unpack what that moment reveals about the state of AI, why ...  Show more

Artificial intelligence is powerful, but what about natural intelligence? This hour, TED speakers explore the intrinsic genius in animal language, insect behavior, plant anatomy and our immune system. Guests include neuroscientist Greg Gage, computational neuroscientist Frances C ...  Show more

In this episode of Tech Tonic, we ask whether AI's potential in the fight against the climate crisis justifies the massive amounts of energy it takes to run these systems. The computing power required to train AI concerns some researchers, who have built a calculator to count ...

Step inside DeepMind's laboratories and you'll find researchers studying DNA to understand the mysteries of life, seeking new ways to use nuclear energy, or putting AI to the test in mind-bending areas of maths. In this episode, Hannah meets Pushmeet Kohli, the head of science at ...  Show more